def _xcopy(self, *attrs):
'''(INTERNAL) Make copy with add'l, subclass attributes.
'''
return _xattrs(self.classof(self.zone, self.hemisphere,
self.easting, self.northing,
band=self.band, datum=self.datum),
self, *attrs)
def _xcopy(self, *attrs):
'''(INTERNAL) Make copy with add'l, subclass attributes.
'''
return _xattrs(
self.classof(self.easting,
self.northing,
h=self.height,
conic=self.conic), self, *attrs)
def _xcopy(self, *attrs):
'''(INTERNAL) Make copy with add'l, subclass attributes.
'''
return _xattrs(self.classof(self.pole, self.easting, self.northing,
band=self.band, datum=self.datum,
convergence=self.convergence,
scale=self.scale),
self, *attrs)
def unit(self):
'''Normalize this vector to unit length.
@return: Normalized vector (L{Nvector}).
'''
if self._united is None:
u = Vector3d.unit(self) # .copy()
self._united = u._united = _xattrs(u, self, '_h')
return self._united
def _latlon5(self, LatLon):
'''(INTERNAL) Convert cached LatLon
'''
ll = self._latlon
if LatLon is None:
return ll.lat, ll.lon, ll.datum, ll.convergence, ll.scale
elif issubclass(LatLon, _LLEB):
return _xnamed(_xattrs(LatLon(ll.lat, ll.lon, datum=ll.datum),
ll, '_convergence', '_scale'), ll.name)
raise TypeError('%s not ellipsoidal: %r' % ('LatLon', LatLon))
def unit(self, ll=None):
'''Normalize this vector to unit length.
@keyword ll: Optional, original latlon (C{LatLon}).
@return: Normalized vector (L{Nvector}).
'''
if self._united is None:
u = Vector3d.unit(self, ll=ll) # .copy()
self._united = u._united = _xattrs(u, self, '_h')
return self._united
def _xcopy(self, *attrs):
'''(INTERNAL) Make copy with add'l, subclass attributes.
'''
return _xattrs(self.classof(self.x, self.y, self.z), self, '_length',
'_united', *attrs) # _crosserrors
def _xcopy(self, *attrs):
'''(INTERNAL) Make copy with add'l, subclass attributes.
'''
c = Conic(None, 0, name=self._name)
self._dup2(c)
return _xattrs(c, self, *attrs)
def _xcopy(self, *attrs):
'''(INTERNAL) Make copy with add'l, subclass attributes.
'''
return _xattrs(self.classof(self.lat0, self.lon0, datum=self.datum),
self, *attrs)
